Related Clues:

• Highest-ranking
• A as in Archimedes
• First of a series
• Pack leader
• Fraternity letter, perhaps
• 14th after 40-Down
• Leader of the pack?
• Fraternity character
• Letter on a key
• Pa. team, on scoreboards
• __ Beta Kappa
• ___ Centauri
• N.L. East team, on scoreboards
• Bet start
• Two before kappa on a key